Yagen Toushirou

薬研藤四郎
A tantou made by Awataguchi Yoshimitsu. One of the Toushirou brothers. The origin of his name comes from the stone medicine mortar that he cut earning the reputation as a sword with an extraordinary cutting ability but will not kill its master. Because hes raised for the battlefield he has some medical science knowledge. Source: Touken Ranbu Wikia
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